About Giacomo

Giacomo · 2020-02-17

I'm working with an STM32H753II on an HMI application.I use Keil IDE and middlewares to access filesystem data. So i end up using the SD card CMSIS driver developed by ARM Ltd.With data and instruction cache disabled, i'm experiencing an IMPRECISERR ...

Giacomo · 2019-04-14

Hi,I start working with the new STM32MP157C-DK2 board and after testing the demo i restart from the bottom, compiling just uboot+SPL (no TF-A). I compiled with the last Linaro toolchain 'gcc-linaro-7.4.1-2019.02-x86_64_arm-linux-gnueabihf' and prepar...

Giacomo · 2019-10-20

Hi, I'm also interested on this topic.I'm trying to start with just a little program using OpenGL without X or wayland. I have some troubles setting up the OpenGL context, cannot find useful documentation.In my case it's the first time with OpenGL so...

Giacomo · 2019-05-03

Hi Antonio,Thanks for your detailed explanation ! I'm using hardware breakpoints and all works fine.'set arm abi AAPCS' didn't solve the 1) issue in my case (maybe because i'm using linaro-gdb). Anyway, it's not causing me troubles so i can ignore i...

Giacomo · 2019-04-23

Hi, i'm here with newsFirst of all i have to say the result i get from the test you suggested. With my virtual box configuration i get a score about 1200, sometimes 950. Because i wasn't sure if it was enough i set up an hdd with a full Ubuntu 16.04 ...

Giacomo · 2019-04-15

Grazie Antonio,As you suspected the problem is caused by the USB: i'm working with VirtualBox and changing this setting solve.I had a 3.0 USB hardware hub but selected 2.0 Controller. I wasn't aware about such a slow speed with 2.0 selected.Now the d...

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Can be SCB_CleanDCache_by_Addr / SCB_InvalidateDCache_by_Addr safely called when cache is disabled ?

STM32MP157C-DK2 u-boot SPL debug timeout

Re: opengl no wayland

Re: STM32MP157C-DK2 u-boot SPL debug timeout

Re: STM32MP157C-DK2 u-boot SPL debug timeout

Re: STM32MP157C-DK2 u-boot SPL debug timeout